NSN 5305-01-155-5243
High Torque Screw
Between 0.761 inches and 0.791 inches fastener length, flat countersunk head style, between 0.338 inches and 0.381 inches head diameter, grip diameter: between 0.1890 inches and 0.1895 inches .
Manufacturer part number HT4049-3-8 for national stock number 5305011555243.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-155-5243.
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MPN or Model
HT4049-3-8
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.251 inches and 0.301 inches -
Fastener Length
Between 0.761 inches and 0.791 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.338 inches and 0.381 inches -
Grip Diameter
Between 0.1890 inches and 0.1895 inches -
Internal Drive Style
High-torque -
Thread Diameter
0.190 inches -
Grip Length
Between 0.490 inches and 0.510 inches -
Thready Qty Per Inch (tpi)
32 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Surface Finish
32.0 microinches threads -
Material
Steel comp xm-13 -
Material Specification
Ams 5629 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf
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A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
Pricing and Availability
Get a quote for 5305-01-155-5243 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
HT4049-3-8 | Hi-shear Corporation |
ST3M714-3-8 | Boeing Company, The |
HT4049-3-8 | Lisi Aerospace Canada Corp |
11931-3-8 | Reid Products Inc. |